378836286466 has 32 divisors (see below), whose sum is σ = 635170709376. Its totient is φ = 167962128000.

The previous prime is 378836286457. The next prime is 378836286473. The reversal of 378836286466 is 664682638873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4379676 + ... + 4465336.

It is an arithmetic number, because the mean of its divisors is an integer number (19849084668).

Almost surely, 2^378836286466 is an apocalyptic number.

378836286466 is a deficient number, since it is larger than the sum of its proper divisors (256334422910).

378836286466 is a wasteful number, since it uses less digits than its factorization.

378836286466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90618.

The product of its digits is 334430208, while the sum is 67.

The spelling of 378836286466 in words is "three hundred seventy-eight billion, eight hundred thirty-six million, two hundred eighty-six thousand, four hundred sixty-six".